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Isle of Bute weather

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Isle of Bute weather warnings

Met Office yellow, amber and red warnings for Strathclyde

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Isle of Bute weather in numbers

measured normals and 10 years of recorded weather

Isle of Bute swings 14°C across the year, from 17°C highs in August to 3°C lows in February, and January is usually the wettest month in a year that brings about 1962 mm of precipitation. Over 10 years of recorded weather it averages 0 days a year at 25°C or above, 12 frost nights, and rain on 207 days.

Warmest month
August
17°C average high
Coldest month
February
3°C average low
Wettest month
January
1962 mm a year
Comfortable
3 months
June, July and August
Residents
7,228
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
0 days
a year at 25°C or above
Frost nights
12 nights
a year below 0°C
Rain days
207 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Isle of Bute’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

Met Office, European, American side by side around Isle of Bute and nearby towns.Live rain radar →
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Isle of Bute hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Isle of Bute 10-day forecast, out to 14 days

where the models agree, and where they split

Isle of Bute, Scotland is at its warmest in Aug (average highs near 17°C) and coldest in Feb (lows around 3°C), with roughly 1962 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Isle of Bute right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United Kingdom before you trust any single number.

Isle of Bute climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
7°
4°
Feb
6°
3°
Mar
8°
4°
Apr
10°
5°
May
13°
8°
Jun
16°
10°
Jul
16°
12°
Aug
17°
13°
Sep
15°
10°
Oct
12°
8°
Nov
9°
6°
Dec
8°
4°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Isle of Bute has changed since 1995

Isle of Bute sits in the same roughly 50 km square of NASA's reanalysis as Greenock. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Greenock page.

Which forecast is most accurate in Isle of Bute?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
92±0.4°C84±5.1 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
83
/100rank #2
89±0.6°C85±4.7 mph7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
Met Office logo
Met Office
82
/100rank #3
93±0.4°C89±3.5 mph6581% hitMet Office (United Kingdom)Exeter, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1950 cities. Lower error means a higher score. See which forecast model is most accurate in United Kingdom, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United Kingdom? Give each 1 to 5 stars.

Met OfficeUKMO model
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EuropeanECMWF
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AmericanNOAA GFS
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Isle of Bute today?
On this page we show what Met Office, European, American each forecast for Isle of Bute today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Isle of Bute today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Isle of Bute and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Isle of Bute?
Over the last 30 days, the European model has been the most accurate for Isle of Bute (CheckWeather Score 91/100), ahead of the American at 83. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Isle of Bute?
August is typically the warmest month in Isle of Bute, with average highs around 17°C.
How cold does Isle of Bute get?
The coldest month in Isle of Bute is February, when overnight lows average about 3°C.
How much rain does Isle of Bute get?
Isle of Bute sees roughly 1962 mm of precipitation a year, with January usually the wettest month.

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